Compilare: main.cpp: In function 'int main()': main.cpp:38:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ main.cpp:42:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^ main.cpp:54:24: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] rad=min(r-i-1,p[2*c-i]); ~^~